问题
选择题
| He tried many a _______, but I think _______ not enough. |
| A. time, it is B. times, they are C. times, that is D. time, which is |
答案
答案：A
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| He tried many a _______, but I think _______ not enough. |
| A. time, it is B. times, they are C. times, that is D. time, which is |
答案：A